I NEED THE ANSWER ASAP

Answer:
x = 20
Step-by-step explanation:
angles 2 and 3 are alternate interior angles, which means they're equal. so, we can make this equation: 3x-10 = x+30
3x - 10 = x + 30
2x - 10 = 30
2x = 40
x = 20
hope this helps!